May as well be hanged for a sheep as a lamb. English Proverb

One father is more than a hundred schoolmasters. English Proverb (17th century)

Only the wearer knows where the shoe pinches English Proverb

There's a black sheep in every flock.

He that is born to be hanged shall never be drowned

Little thieves are hanged by the neck and great thieves by the purse